<?php

namespace App\Console\Commands;

use App\Models\Post;
use App\Models\PostData;
use Carbon\Carbon;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;

class CalcPostWeight extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'post:calc_weight';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '计算内容权重';


    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->line(date('Y-m-d H:i:s').'开始计算权重');
        $key = "community_calc_post_score";
        $postIds = Redis::smembers($key);
        Log::debug('权重帖子ID:' . json_encode($postIds));
        foreach ($postIds as $postId) {
            $postInfo = PostData::where("post_id", $postId)->first();
            $post = Post::find($postId);
            if(empty($postInfo) || empty($post)){
                continue;
            }
            Log::debug('帖子:' . json_encode($postInfo));
            $temp = (0.2 * $postInfo['pv'] +
                (5 * $postInfo->share_count) +
                (3 * $postInfo->praise_count) +
                (10 * $postInfo->collect_count) +
                (5 * $postInfo->comment_count) -
                (23 * $postInfo->dislike_count));
            $fresh = (Carbon::parse($postInfo['created_at'])->timestamp) - (Carbon::parse("2019-05-01 00:00:00")->timestamp);
            if($temp){
                $score = log10($temp) + $fresh / 43200;
            }else{
                $score = $fresh / 43200;
            }
            $post->weight = $score;
            $post->save();
            Redis::srem($key,$postId);
            Log::debug(date("Y-m-d H:i:s") . "设置帖子" . $postInfo->post_id . "的权重分为:" . $score);
        }
        $this->line(date('Y-m-d H:i:s').' 计算权重结束');
    }
}